--- /dev/null
+/**
+* Copyright 2011, Big Switch Networks, Inc.
+* Originally created by David Erickson & Rob Sherwood, Stanford University
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); you may
+* not use this file except in compliance with the License. You may obtain
+* a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+* License for the specific language governing permissions and limitations
+* under the License.
+**/
+
+package org.openflow.protocol.vendor;
+
+import org.openflow.protocol.Instantiable;
+
+/**
+ * Subclass of OFVendorDataType that works with any vendor data format that
+ * begins with a integral value to indicate the format of the remaining data.
+ * It maps from the per-vendor-id integral data type code to the object
+ * used to instantiate the class associated with that vendor data type.
+ *
+ * @author Rob Vaterlaus (rob.vaterlaus@bigswitch.com)
+ */
+public class OFBasicVendorDataType extends OFVendorDataType {
+
+ /**
+ * The data type value at the beginning of the vendor data.
+ */
+ protected long type;
+
+ /**
+ * Construct an empty (i.e. no specified data type value) vendor data type.
+ */
+ public OFBasicVendorDataType() {
+ super();
+ this.type = 0;
+ }
+
+ /**
+ * Store some information about the vendor data type, including wire protocol
+ * type number, derived class and instantiator.
+ *
+ * @param type Wire protocol number associated with this vendor data type
+ * @param instantiator An Instantiator<OFVendorData> implementation that
+ * creates an instance of an appropriate subclass of OFVendorData.
+ */
+ public OFBasicVendorDataType(long type, Instantiable<OFVendorData> instantiator) {
+ super(instantiator);
+ this.type = type;
+ }
+
+ /**
+ * @return Returns the wire protocol value corresponding to this OFVendorDataType
+ */
+ public long getTypeValue() {
+ return this.type;
+ }
+
+ /**
+ * @param type the wire protocol value for this data type
+ */
+ public void setTypeValue(long type) {
+ this.type = type;
+ }
+}